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// Copyright 2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
#define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
#include "src/base/strings.h"
#include "src/regexp/regexp-macro-assembler.h"
namespace v8 {
namespace internal {
// Decorator on a RegExpMacroAssembler that write all calls.
class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
public:
RegExpMacroAssemblerTracer(Isolate* isolate, RegExpMacroAssembler* assembler);
~RegExpMacroAssemblerTracer() override;
void AbortedCodeGeneration() override;
int stack_limit_slack() override { return assembler_->stack_limit_slack(); }
bool CanReadUnaligned() override { return assembler_->CanReadUnaligned(); }
void AdvanceCurrentPosition(int by) override; // Signed cp change.
void AdvanceRegister(int reg, int by) override; // r[reg] += by.
void Backtrack() override;
void Bind(Label* label) override;
void CheckCharacter(unsigned c, Label* on_equal) override;
void CheckCharacterAfterAnd(unsigned c, unsigned and_with,
Label* on_equal) override;
void CheckCharacterGT(base::uc16 limit, Label* on_greater) override;
void CheckCharacterLT(base::uc16 limit, Label* on_less) override;
void CheckGreedyLoop(Label* on_tos_equals_current_position) override;
void CheckAtStart(int cp_offset, Label* on_at_start) override;
void CheckNotAtStart(int cp_offset, Label* on_not_at_start) override;
void CheckNotBackReference(int start_reg, bool read_backward,
Label* on_no_match) override;
void CheckNotBackReferenceIgnoreCase(int start_reg, bool read_backward,
bool unicode,
Label* on_no_match) override;
void CheckNotCharacter(unsigned c, Label* on_not_equal) override;
void CheckNotCharacterAfterAnd(unsigned c, unsigned and_with,
Label* on_not_equal) override;
void CheckNotCharacterAfterMinusAnd(base::uc16 c, base::uc16 minus,
base::uc16 and_with,
Label* on_not_equal) override;
void CheckCharacterInRange(base::uc16 from, base::uc16 to,
Label* on_in_range) override;
void CheckCharacterNotInRange(base::uc16 from, base::uc16 to,
Label* on_not_in_range) override;
void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set) override;
void CheckPosition(int cp_offset, Label* on_outside_input) override;
bool CheckSpecialCharacterClass(base::uc16 type, Label* on_no_match) override;
void Fail() override;
Handle<HeapObject> GetCode(Handle<String> source) override;
void GoTo(Label* label) override;
void IfRegisterGE(int reg, int comparand, Label* if_ge) override;
void IfRegisterLT(int reg, int comparand, Label* if_lt) override;
void IfRegisterEqPos(int reg, Label* if_eq) override;
IrregexpImplementation Implementation() override;
void LoadCurrentCharacterImpl(int cp_offset, Label* on_end_of_input,
bool check_bounds, int characters,
int eats_at_least) override;
void PopCurrentPosition() override;
void PopRegister(int register_index) override;
void PushBacktrack(Label* label) override;
void PushCurrentPosition() override;
void PushRegister(int register_index,
StackCheckFlag check_stack_limit) override;
void ReadCurrentPositionFromRegister(int reg) override;
void ReadStackPointerFromRegister(int reg) override;
void SetCurrentPositionFromEnd(int by) override;
void SetRegister(int register_index, int to) override;
bool Succeed() override;
void WriteCurrentPositionToRegister(int reg, int cp_offset) override;
void ClearRegisters(int reg_from, int reg_to) override;
void WriteStackPointerToRegister(int reg) override;
private:
RegExpMacroAssembler* assembler_;
};
} // namespace internal
} // namespace v8
#endif // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
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